Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    c86329b65f4b041d60280e4e9b2b559f1bc2a8da4f5f67fb7ac8827a5f0fd474

  • Size

    1.6MB

  • Sample

    240611-pbry2swhql

  • MD5

    809a9591a7f36bde47345995faea2a27

  • SHA1

    81a6ccb44a3230167307980f4e634599e77a32fa

  • SHA256

    c86329b65f4b041d60280e4e9b2b559f1bc2a8da4f5f67fb7ac8827a5f0fd474

  • SHA512

    4301e9e9cfe3e013e32c72b9d5536be95f12c9391799f75adc46cd97ddf92f11fa5efbe1c3a5d3b4ad5f2bfdd94d3013fa2517bcf05006e04e51c3aba4c614fd

  • SSDEEP

    24576:spM5863IGfTAVpalBqUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BqUkxVVChjHZQs

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      c86329b65f4b041d60280e4e9b2b559f1bc2a8da4f5f67fb7ac8827a5f0fd474

    • Size

      1.6MB

    • MD5

      809a9591a7f36bde47345995faea2a27

    • SHA1

      81a6ccb44a3230167307980f4e634599e77a32fa

    • SHA256

      c86329b65f4b041d60280e4e9b2b559f1bc2a8da4f5f67fb7ac8827a5f0fd474

    • SHA512

      4301e9e9cfe3e013e32c72b9d5536be95f12c9391799f75adc46cd97ddf92f11fa5efbe1c3a5d3b4ad5f2bfdd94d3013fa2517bcf05006e04e51c3aba4c614fd

    • SSDEEP

      24576:spM5863IGfTAVpalBqUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BqUkxVVChjHZQs

    Score
    10/10
    stealcvidardiscoveryspywarestealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks